Imaginary Picture of Kepler-1246 b

Display orbital revolution of Kepler-1246 b around the hoststar Kepler-1246
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Exoplanet Name : Kepler-1246 b
Alternate Name : "2MASS J19103777+4858557 b, K02460.01, KIC 11236244 b, KOI-2460 b, KOI-2460.01, WISE J191037.74+485855.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.1210 (Rjup) 1.3563 (Rearth)
Mass (Mjup / Me): 0.0093 (Mjup) 2.9437 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0889 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0310
Orbital Period(Observed/Estimated) 11.32 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.6002
Star Radiation at Atmospheric Boundary: 32929.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 601.2 (K)
Blackbody T 0.3(K) 564.6 (K)
Blackbody T 0.7(K) 456.8 (K)
Tidally Locked Blackbody T 0.1(K) 715.0 (K)
Tidally Locked Blackbody T 0.3(K) 671.4 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1246
Alternate Name : "2MASS J19103777+4858557, KIC 11236244, KOI-2460, WISE J191037.74+485855.8"
Star Distance(LY) : 1423.8
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 3.9 (GY)
Temperature : 4564 (K)
Spectral type : K4
UV portion[%]: 1.9
Visible portion[%]: 32.9
IR portion[%]: 65.2
Metalicity : -0.0
Absolute Magnitude: 5.1
Apparent Magnitude: 13.3
Right Ascension(RA) 287.6574
Declination (DEC) 48.9822
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton1, Stephen T. Bryson2, Jeffrey L. Coughlin2,3, Jason F. Rowe4, Ganesh Ravichandran5, Erik A. Petigura6,7, Michael R. Haas2, and Natalie M. Batalha14"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 448 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1246+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1246%20b/
Kepler-1246 b
Kepler-1246 b

  • Kepler-1246 b is an exoplanet orbiting the star Kepler-1246, located about 1423.8 light-years (436.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1246 has apparent magnitude of 13.3, with absolute magnitude of 5.1.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4564 with its spectral types of K4
  • In this planetary system, the extrasolar planet Kepler-1246 b orbits around the star Kepler-1246 every 11.3 days with its orbital distance of 0.09 AU ( 13292498.0 km)
  • (Projected orbit of Kepler-1246 b around its host star Kepler-1246)


  • The Star Kepler-1246 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.315 AU ( 47187455.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.436 AU ( 65225395.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.664 AU ( 99389067.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.978 AU ( 146255367.2 km)
  • Radiation at Planetary Boundary of Kepler-1246 b : 32929.06 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1246)



  • Kopparapu Recent Venus for Star Kepler-1246 distance : 0.348 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1246 distance : 0.440 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1246 distance : 0.425 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1246 distance : 0.467 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1246 distance : 0.813 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1246 distance : 0.857 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1246)



  • Original Kopparapu Recent Venus for Star Kepler-1246 distance : 0.343 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1246 distance : 0.454 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1246 distance : 0.454 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1246 distance : 0.826 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1246 distance : 0.859 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1246)



    (Position in Stellar Map of star Kepler-1246 and its Exoplanet Kepler-1246 b)



    (Zoomed position in Stellar Map of star Kepler-1246 and its Exoplanet Kepler-1246 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1246*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102